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HT7938 - High Current And Performance White LED Driver

Product Overview

Holtek Semiconductor

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HT7938 High Current And Performance White LED Driver by Holtek Semiconductor - Datasheet Preview — Datasheet preview – HT7938

Datasheet Details

Part number	HT7938
Manufacturer	Holtek Semiconductor
File Size	483.65 KB
Description	High Current And Performance White LED Driver
Datasheet	HT7938 Datasheet
Additional preview pages of the HT7938 datasheet.

Product details

Description

HT7938 is high efficiency boost converter with constant current output to provide backlight in handheld devices.

Features

Efficiency up to 85% at VIN=3.6V, 9LEDs,.
Tiny inductor and capacitors.
Up to 9 strings White-LED.
Tiny 6-lead SOT23-6 package.
Built in OVP, OCP, OTP, UVLO protection ILED=20mA.
1.2MHz fixed switching frequency.
Low Standby Current: 0.1mA, VEN=0V (typ. ).
Matches LED current.

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Published: Feb 7, 2010 |